/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
TimeSpan currentFrame = gameTime.TotalGameTime;
bool updateFrame = false;
if ((currentFrame - lastFrame) > timeBetweenFrames)
{
lastFrame = currentFrame;
updateFrame = true;
}
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
this.Exit();
// TODO: Add your update logic here
MouseState currentMouse = Mouse.GetState();
KeyboardState currentKeyboard = Keyboard.GetState();
//generic mouse input
int mx = currentMouse.X;
int my = currentMouse.Y;
int ax = (int)(mx / zoom + zoomScreen.X);
int ay = (int)(my / zoom + zoomScreen.Y);
//LEFTCLICKING
if (minimapArea.Contains(mx, my) && currentMouse.LeftButton == ButtonState.Pressed)
{
int gx = (mx - minimapArea.X) / minimapScale;
int gy = (my - minimapArea.Y) / minimapScale;
int lx = screen.X;
int ly = screen.Y;
screen.X = (gx * GRID_PIXEL) - screen.Width / 2;
screen.Y = (gy * GRID_PIXEL) - screen.Height / 2;
ZoomScreen();
if (!maxSize.Contains(zoomScreen))
{
screen.X = lx;
screen.Y = ly;
ZoomScreen();
}
}
else if (IsPressed(stopButton, currentMouse))
{
foreach (Unit u in units)
{
u.Destination = u.Center;
}
currentMouseActionState = MouseActionState.Stop;
}
else if (IsPressed(moveButton, currentMouse))
{
currentMouseActionState = MouseActionState.Move;
}
else if (IsPressed(actionButton, currentMouse))
{
currentMouseActionState = MouseActionState.Action;
}
else if (screen.Contains(mx + screen.X, my + screen.Y))
{
if (currentMouse.LeftButton == ButtonState.Pressed)
{
if (currentMouseActionState == MouseActionState.Action)
{
foreach (Unit u in units)
{
u.Action(ax, ay, units);
}
}
else if (currentMouseActionState == MouseActionState.Move)
{
Vector2 d = new Vector2(ax, ay);
foreach (Unit u in selected)
{
u.Destination = d;
}
}
else if (currentMouseActionState == MouseActionState.Stop)
{
}
else if (currentMouseActionState == MouseActionState.Normal)
{
if (lastMouse.LeftButton == ButtonState.Pressed)
{
int width = mx - ((int)lastLeftClick.X);
int height = my - ((int)lastLeftClick.Y);
selection = new Rectangle((int)lastLeftClick.X, (int)lastLeftClick.Y, width, height);
}
else
{
lastLeftClick = new Vector2(mx, my);
selection = new Rectangle((int)lastLeftClick.X, (int)lastLeftClick.Y, 0, 0);
}
}
currentMouseActionState = MouseActionState.Normal;
}
else
{
if (lastMouse.LeftButton == ButtonState.Pressed)
{
Rectangle scaleSel = new Rectangle((int)(selection.X * zoom + zoomScreen.X), (int)(selection.Y * zoom + zoomScreen.Y), (int)(selection.Width * zoom), (int)(selection.Height * zoom));
if (!currentKeyboard.IsKeyDown(Keys.LeftShift) && !currentKeyboard.IsKeyDown(Keys.RightShift))
{
selected.Clear();
}
foreach (Unit u in player.Units)
{
if (scaleSel.Intersects(u.HardCollisionBox) && !selected.Contains(u) && selected.Count < portraits.Count)
{
selected.Add(u);
}
}
selection = new Rectangle(-1, -1, 0, 0);
lastLeftClick = new Vector2(-1, -1);
}
}
}
//RIGHTCLICKING
if (currentMouse.RightButton == ButtonState.Pressed)
{
if (lastMouse.RightButton == ButtonState.Released)
{
Vector2 d = new Vector2(ax, ay);
foreach (Unit u in selected)
{
u.Destination = d;
}
}
}
//screen scrolling logic
if (scrolledLast || (currentMouse.X != lastMouse.X && currentMouse.Y != lastMouse.Y))
{
int dx = 0;
int dy = 0;
if (scrollDown.Contains(currentMouse.X, currentMouse.Y))
{
dy = scrollSpeed;
}
if (scrollUp.Contains(currentMouse.X, currentMouse.Y))
{
dy = -scrollSpeed;
}
if (scrollLeft.Contains(currentMouse.X, currentMouse.Y))
{
dx = -scrollSpeed;
}
if (scrollRight.Contains(currentMouse.X, currentMouse.Y))
{
dx = scrollSpeed;
}
if (dx != 0)
{
scrolledLast = true;
screen.Offset(dx, 0);
ZoomScreen();
if (!maxSize.Contains(zoomScreen))
{
screen.Offset(-dx, 0);
ZoomScreen();
}
}
if (dy != 0)
{
scrolledLast = true;
screen.Offset(0,dy);
ZoomScreen();
if (!maxSize.Contains(zoomScreen))
{
screen.Offset(0,-dy);
ZoomScreen();
}
}
}
//generic keyboard input
if (currentKeyboard.IsKeyDown(Keys.N) && lastKeyboard.IsKeyUp(Keys.N))
{
Unit toAdd;
do
{
int rx = random.Next(screen.X, screen.X + screen.Width);
int ry = random.Next(screen.Y, screen.Y + screen.Height);
toAdd = new Unit(rx, ry, 50, 50, unitTexture, unitTexture, attack);
} while (!maxSize.Contains(toAdd.DrawArea));
units.Add(toAdd);
if (currentKeyboard.IsKeyDown(Keys.RightShift) || currentKeyboard.IsKeyDown(Keys.LeftShift))
{
enemy.AddUnit(toAdd);
}
else
{
player.AddUnit(toAdd);
}
}
if (currentKeyboard.IsKeyDown(Keys.F) && lastKeyboard.IsKeyUp(Keys.F))
{
graphics.ToggleFullScreen();
CalculateScreen();
}
if (currentKeyboard.IsKeyDown(Keys.S) && lastKeyboard.IsKeyUp(Keys.S))
{
Team temp = player;
player = enemy;
enemy = temp;
}
if (currentKeyboard.IsKeyDown(Keys.Escape) && lastKeyboard.IsKeyUp(Keys.Escape))
{
if (graphics.IsFullScreen)
{
graphics.ToggleFullScreen();
CalculateScreen();
}
}
lastKeyboard = currentKeyboard;
lastMouse = currentMouse;
if (updateFrame)
{
for (int x = 0; x < GRID_WIDTH; x++)
{
for (int y = 0; y < GRID_HEIGHT; y++)
{
minimap[x, y] = Color.White;
}
}
foreach (Unit u in units)
{
u.Update();
if (u.IsMoving())
{
foreach (Unit v in units)
{
if (u.ID != v.ID && u.CollidesWith(v))
{
//lets go on the assumption that something will only ever collide with something else if it is moving
u.UndoUpdate();
}
}
}
int gx = (int)(u.Center.X / GRID_PIXEL);
int gy = (int)(u.Center.Y / GRID_PIXEL);
minimap[gx, gy] = u.Team.TeamColor;
}
}
base.Update(gameTime);
}
/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content. Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
// TODO: Add your initialization logic here
grid = new Rectangle[GRID_WIDTH, GRID_HEIGHT];
colors = new Color[GRID_WIDTH, GRID_HEIGHT];
minimap = new Color[GRID_WIDTH, GRID_HEIGHT];
maxSize = new Rectangle(0, 0, GRID_PIXEL * GRID_WIDTH, GRID_PIXEL * GRID_HEIGHT);
units = new List<Unit>();
selected = new List<Unit>();
portraits = new List<Rectangle>();
random = new Random();
player = new Team("Player", Color.Blue);
enemy = new Team("Enemy", Color.Red);
neutral = new Team("Neutral", Color.LightGray);
for (int x = 0; x < GRID_WIDTH; x++)
{
for (int y = 0; y < GRID_HEIGHT; y++)
{
grid[x, y] = new Rectangle(x * GRID_PIXEL, y * GRID_PIXEL, GRID_PIXEL, GRID_PIXEL);
colors[x, y] = y % 2 == x % 2 ? Color.Gray : Color.GhostWhite;
minimap[x, y] = Color.White;
}
}
//CONSTANTS
minimapScale = 4;
zoom = 1.0f;
zoomFactor = 0.01f;
scrollSpeed = 5;
timeBetweenFrames = new TimeSpan(TimeSpan.TicksPerSecond / 60);
CalculateScreen();
base.Initialize();
}